70545918 has 8 divisors (see below), whose sum is σ = 141091848. Its totient is φ = 23515304.

The previous prime is 70545913. The next prime is 70545931. The reversal of 70545918 is 81954507.

It is a sphenic number, since it is the product of 3 distinct primes.

70545918 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70545913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5878821 + ... + 5878832.

It is an arithmetic number, because the mean of its divisors is an integer number (17636481).

Almost surely, 2^70545918 is an apocalyptic number.

70545918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70545918 is a wasteful number, since it uses less digits than its factorization.

70545918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11757658.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 70545918 is about 8399.1617438885. The cubic root of 70545918 is about 413.1971300851.

The spelling of 70545918 in words is "seventy million, five hundred forty-five thousand, nine hundred eighteen".